Victoria183 Victoria183
  • 16-04-2016
  • Mathematics
contestada

factor. z^2 -6z -16 simplify

Respuesta :

knasty07 knasty07
  • 16-04-2016
(z-8) (z+2) 
What I do to factor is find _x_=-16 and _+_=-6. -8x2=-16 and -8+2=-16. The coordinates for z if you were to graph this would be (8,0) and (-2,0) 
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